diff -r bc131735c940 -r 438459a8e48b testing4/re1c_test.scala
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/testing4/re1c_test.scala	Thu Nov 22 17:35:30 2018 +0000
@@ -0,0 +1,24 @@
+
+//import scala.concurrent._
+//import scala.concurrent.duration._
+//import ExecutionContext.Implicits.global
+//import scala.language.postfixOps 
+//import scala.language.reflectiveCalls
+
+
+//lazy val f = Future {
+  import CW8a._
+
+  assert(simp(ZERO | ONE) == ONE)
+  assert(simp(STAR(ZERO | ONE)) == STAR(ZERO | ONE))
+  assert(simp(ONE ~ (ONE ~ (ONE ~ CHAR('a')))) == CHAR('a'))
+  assert(simp(ONE ~ (ONE ~ (ONE ~ ZERO))) == ZERO)
+  assert(simp(ALT(ONE ~ (ONE ~ (ONE ~ ZERO)), CHAR('a'))) == CHAR('a'))
+  assert(simp(CHAR('a') | CHAR('a')) == CHAR('a'))
+  assert(simp(ONE | CHAR('a')) == (ONE | CHAR('a')))
+  assert(simp(ALT((CHAR('a') | ZERO) ~ ONE,
+                  ((ONE | CHAR('b')) | CHAR('c')) ~ (CHAR('d') ~ ZERO))) == CHAR('a'))
+
+//}
+
+//Await.result(f, 30 second)